Guile of the Raptor is the seventh and final step in the Hammerfall quest chain.
Speak with Tor'gan.
This... this power.... Is this the power of the shamans that Tor'gan tried to show me? I must say, it is interesting. Tell Tor'gan that he has convinced me... for the time being. I will listen to what he has to say.
When the enchantment wears off, I will speak with Gor'mul. My thanks to you for your help in returning Gor'mul to the land of the living. I have no doubt he thanks you greatly as well.